body {
    margin: 0;
    padding: 0;
    font-family: Arial, sans-serif;
}

section {
    padding: 20px;
    margin: 10px;
    background-color: #fff;
    box-shadow: 0 0 5px rgba(0, 0, 0, 0.1);
    border-radius: 5px;
}

h1 {
    font-size: 18px;
    font-weight: bold;
    margin-bottom: 10px;
}

ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

li {
    padding: 5px 0;
}

form {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

label {
    margin-bottom: 5px;
}

input[type='text'],
input[type='submit'],
input[type='radio'] {
    font-size: 16px;
    padding: 5px;
    margin-bottom: 10px;
}

input[type='submit'] {
    background-color: black;
    color: #fff;
    border: none;
    padding: 10px;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    border-radius: 5px;
}

.radio-group {
    display: flex;
    flex-direction: row;
    align-items: center;
}

.radio-group label {
    margin-right: 10px;
}

.radio-group input[type='radio'] {
    display: none;
}

.radio-group input[type='radio'] + label {
    display: inline-block;
    background-color: #fff;
    border: 1px solid #ccc;
    padding: 5px;
    border-radius: 5px;
    cursor: pointer;
}

.radio-group input[type='radio']:checked + label {
    background-color: black;
    color: #fff;
    border-color: black;
}

button {
    background-color: #000;
    color: #fff;
    border: none;
    padding: 10px;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    border-radius: 5px;
}

button:active {
    background-color: white;
    color: black;
}